Establishment of the first U.S. Government post offices in the Northwest Territory
By: by Jerry B. Devol and Richard B. Graham.
Contributors: Graham, Richard B., joint author.
Publisher: American Philatelic Society
Published: 1975
Place of publication: [State College, Pa.]
Language: eng
Number of pages: 48
Subjects: Postal service -- Northwest, Old -- History.
Other titles: Northwest Territory.
Notes: Bibliography: p. 43.
On spine: Northwest Territory.
"Originally appeared ... in The American Philatelist."